:root {
  --primary-color: #ff6600;
  --secondary-color: #ff9933;
  --bg-color: #f8f8f8;
  --text-color: #333;
  --card-bg: #fff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  border: none;
}

.btn:hover {
  background-color: var(--secondary-color);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

.hero {
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
  color: #666;
}

.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature-item {
  text-align: center;
  padding: 30px;
}

.feature-item i {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.feature-item h3 {
  margin-bottom: 15px;
}

.screenshot {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin: 40px 0;
}

.screenshot-container {
  position: relative;
  padding: 20px;
  background: #f1f1f1;
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin: 40px auto;
  max-width: 900px;
}

.download-section {
  background-color: #f1f1f1;
  padding: 80px 0;
  text-align: center;
}

.download-buttons {
  margin-top: 30px;
  display: flex;
  gap: 20px;
  justify-content: center;
}

header {
  padding: 20px 0;
  background-color: var(--card-bg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

.menu {
  display: flex;
  gap: 20px;
}

.menu a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
}

.menu a:hover {
  color: var(--primary-color);
}

footer {
  background-color: #333;
  color: white;
  padding: 40px 0;
  margin-top: 80px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-section {
  flex: 1;
  min-width: 200px;
  margin-bottom: 20px;
}

.footer-section h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: #ddd;
  text-decoration: none;
}

.footer-section ul li a:hover {
  color: white;
}

.copyright {
  margin-top: 40px;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #444;
  color: #ddd;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}